RU2163032C2 - Система адаптивной фильтрации аудиосигналов для улучшения разборчивости речи при наличии шума - Google Patents

Система адаптивной фильтрации аудиосигналов для улучшения разборчивости речи при наличии шума Download PDF

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RU2163032C2
RU2163032C2 RU98107313/09A RU98107313A RU2163032C2 RU 2163032 C2 RU2163032 C2 RU 2163032C2 RU 98107313/09 A RU98107313/09 A RU 98107313/09A RU 98107313 A RU98107313 A RU 98107313A RU 2163032 C2 RU2163032 C2 RU 2163032C2
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noise
filter
speech
digital signal
frame
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RU98107313/09A
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Russian (ru)
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RU98107313A (ru
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В. СЕЛЬВЕ Торбьерн
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Эрикссон Инк.
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
RU98107313/09A 1995-09-14 1996-09-13 Система адаптивной фильтрации аудиосигналов для улучшения разборчивости речи при наличии шума RU2163032C2 (ru)

Applications Claiming Priority (2)

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US52800595A 1995-09-14 1995-09-14
US08/528,005 1995-09-14

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RU98107313A RU98107313A (ru) 2000-02-10
RU2163032C2 true RU2163032C2 (ru) 2001-02-10

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RU98107313/09A RU2163032C2 (ru) 1995-09-14 1996-09-13 Система адаптивной фильтрации аудиосигналов для улучшения разборчивости речи при наличии шума

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EP (1) EP0852052B1 (zh)
JP (1) JPH11514453A (zh)
KR (1) KR100423029B1 (zh)
CN (1) CN1121684C (zh)
AU (1) AU724111B2 (zh)
BR (1) BR9610290A (zh)
CA (1) CA2231107A1 (zh)
DE (1) DE69613380D1 (zh)
EE (1) EE03456B1 (zh)
MX (1) MX9801857A (zh)
NO (1) NO981074L (zh)
PL (1) PL185513B1 (zh)
RU (1) RU2163032C2 (zh)
TR (1) TR199800475T1 (zh)
WO (1) WO1997010586A1 (zh)

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RU2469423C2 (ru) * 2007-09-12 2012-12-10 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи с помощью четкости голоса
RU2507678C2 (ru) * 2006-01-27 2014-02-20 Долби Интернэшнл Аб Эффективная фильтрация банком комплексно-модулированных фильтров
RU2589298C1 (ru) * 2014-12-29 2016-07-10 Александр Юрьевич Бредихин Способ повышения разборчивости и информативности звуковых сигналов в шумовой обстановке
RU2666474C2 (ru) * 2014-07-28 2018-09-07 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Способ оценки шума в аудиосигнале, средство оценки шума, аудиокодер, аудиодекодер и система для передачи аудиосигналов
RU2680735C1 (ru) * 2018-10-15 2019-02-26 Акционерное общество "Концерн "Созвездие" Способ разделения речи и пауз путем анализа значений фаз частотных составляющих шума и сигнала

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KR19990044659A (ko) 1999-06-25
CN1121684C (zh) 2003-09-17
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EE9800068A (et) 1998-08-17
KR100423029B1 (ko) 2004-07-01
EP0852052A1 (en) 1998-07-08
WO1997010586A1 (en) 1997-03-20
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